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55241440531 is a prime number
BaseRepresentation
bin110011011100101001…
…010111110100010011
312021120212111221022221
4303130221113310103
51401113302044111
641213315441511
73663635332324
oct633451276423
9167525457287
1055241440531
1121478397992
12a8582b6297
135294935024
1429608c044b
151684ade371
hexcdca57d13

55241440531 has 2 divisors, whose sum is σ = 55241440532. Its totient is φ = 55241440530.

The previous prime is 55241440493. The next prime is 55241440601. The reversal of 55241440531 is 13504414255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55241440531 - 225 = 55207886099 is a prime.

It is a super-2 number, since 2×552414405312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55241441531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620720265 + 27620720266.

It is an arithmetic number, because the mean of its divisors is an integer number (27620720266).

Almost surely, 255241440531 is an apocalyptic number.

55241440531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241440531 is an equidigital number, since it uses as much as digits as its factorization.

55241440531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 55241440531 its reverse (13504414255), we get a palindrome (68745854786).

The spelling of 55241440531 in words is "fifty-five billion, two hundred forty-one million, four hundred forty thousand, five hundred thirty-one".